Starbucks Austria (com.starbucks.at): Privacy & Security Findings

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Permanent Disclosure Ledger

The discipline, demonstrated

On behalf of our research partners, we investigate publicly distributed Android and iOS apps: we decompile them, follow their code and data flows, and trace every connection to the servers it reaches. Hundreds of agents work through each app and join the technical evidence into one picture, which our specialists then review and verify.

387+
Android/iOS apps audited
Every app is decompiled at source-code level, not just scanned from outside.
1.04M+
Smali classes read
The full shipped code we have actually read, not an estimate.
262+
Critical findings recorded
Confirmed findings copied to regulators, not theoretical risks.
970+
Weak points found
Third-party tracking we have provably found inside the binary.
567+
Endpoints investigated
Real servers and countries where data actually flows.
132+
SDK instances mapped
Reusable libraries correlated across the entire corpus.
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Showing the report for Starbucks Austria.
OrganisationNotifiedStatusSevIntel (click to expand)StatutesResolvedDisclosureElapsedReport
Starbucks Austria
NASDAQ
2026-06-20
91d ago
CS deflect
Critical
Starbucks Austria's app shares the exact same hardcoded developer key with McDonald's Austria, pointing to one vendor that built both competitors' apps carelessly with shared secrets. The app also lets your phone trust certificates it should not while you are paying, and a marketing tool combines your GPS location with your purchase history to piece together your daily commute and regular coffee stop.
com.starbucks.at (EMEA) v9.6.6204. 2C 4H. Two Firebase keys hardcoded, one shared verbatim with McDonald's Austria (same vendor/agency across competing brands). NSC debug-overrides trusts user CAs on a payment app. Airship (3,622 classes) + cumulative GPS order records build a daily-routine profile. R1 2026-06-20, FOLLOW-UP 2026-06-28 bounced then privacy@starbucks.com redirected us to their HackerOne bug-bounty program 2026-06-29 - replied "we are researchers, not pets."
click to expand
GDPR Art. 32(1)(b)GDPR Art. 25(1)GDPR Art. 32(1)(a)+1
Yes
Closed
Disclosure
91d 00h 00m 00s
Published
PDF

This ledger is updated in real time as companies respond. Silence is public. Severity is scored primarily by CVSS v4.0, we reserve the right to deviate based on blast radius.